Losinj is an island situated on the western part of
the Kvarner Archipelago; 74,68 sq km (length 31 km);
population 8,134.

There is a bascule bridge over
the 11-m wide artificial canal (the Straits of Osor), which connects
Losinj with the island Cres. The island is formed predominantly of chalk
limestone and dolomite rocks; there are sand deposits in the western
part of the Kurila peninsula.